Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Re6 win in 3 half-moves
2 Ra7 draw
3 Ra8 draw
4 Rb2 draw
5 Rb6 draw
6 Rc2 draw
7 Rc6 draw
8 Rd2 draw
9 Rd6 draw
10 Re2 draw
11 Rf2 draw
12 R2a3 loss in 2 half-moves
13 R2a4 loss in 2 half-moves
14 R2a5 loss in 2 half-moves
15 R6a3 loss in 2 half-moves
16 R6a4 loss in 2 half-moves
17 R6a5 loss in 2 half-moves
18 Ra1 loss in 2 half-moves
19 Rf6 loss in 2 half-moves
20 Rg2 loss in 2 half-moves
21 Rg6 loss in 2 half-moves
22 Rh2 loss in 2 half-moves
23 Rh6 loss in 2 half-moves